?
??
???
????
?????
100
In the number set 2,4,6,6,8,10, what is the mode?
6
100

This is a value that is significantly higher or lower than the majority of your data set.

Outlier

100

What is 

  1. A way to choose a sample where everyone in the population has an equal change of being selected.

Random Sample

100

A bag contains 12 balls; 3 red, 4 blue, and 5 yellow. What is the probability of selecting a blue ball at random?

4/12 or 1/3

100

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the correct answer?

1/4

200
Rearrange the following numbers to fine the median; 6,3,9,6,1,3,7
6
200

You are taking a multiple choice test, all with 4 possible answers. If you knew that two of the answers were incorrect, what is the probability that you will guess the right answer?

2/4 or 1/2

200

The results of a survey of 200 of the 4,000 college students on campus are shown in the table below.      

Approximately how many students were satisfied with the dining options?

1. Are you satisfied with the dining options?

Yes- 88                       

 No-112

 

88/200 =x/4000

x =1760

200

A spinner has 4 equal pieces to it, labeled 1, 2, 3, or 4. What are the odds that you will spin and land on an even number?

2/4 or 1/2

200

On a TRUE/FALSE question, what is the probability that the answer will be TRUE?

1/2

300
If I was looking for the number that occured most, I would be looking for what? Mean, Median, or Mode?
Mode
300
  1. The temperatures (in °F) recorded in Saskatoon at noon on each day for two weeks were as follows:

    81, 78, 77, 75, 80, 82, 84, 78, 74, 75, 49, 71, 76, 80
    What would be the mean of the data?(ROUND TO THE NEAREST WHOLE NUMBER)

76

300
  1. The temperatures (in °F) recorded in Saskatoon at noon on each day for two weeks were as follows:

    81, 78, 77, 75, 80, 82, 84, 78, 74, 75, 49, 71, 76, 80
  2. If the outlier is excluded, what was the mean temperature? (ROUND TO THE NEAREST WHOLE NUMBER)

78

300

If every letter in the alphabet is placed into a bag, that are the odds that you will select a vowel? (not Y)

5/26

300

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the incorrect answer?

3/4

400
To find the mean, I need to add all the numbers and then do what?
Divide by the number of numbers
400

During a harvest, a farmer found that 12 out of 600 apples had bruises. If the total harvest is 45,000 apples, approximately how many would you expect to be bruised?

12/60 = x/45,000

x= 9,000

400

The results of a survey of 200 of the 4,000 college students on campus are shown in the table below.     

A headline misreported that 95% of students purchased books for class. By how many percentage points was the headline off? 

3. Did you purchase books for your classes?

Yes- 196

No- 4                 


196/200 = x/4000

3920/4000=0.98= 98%

98-95= 3 

x= 3%

400

A cooler has 8 cans of soda; 3 cokes, 3 sprites, and 2 root beers. If you reach into the cooler, what are the odds that you will pick a diet soda?

0/8

400

A study of 150 students revealed that 21 of them walk to school. In a school with 1,800 students, how many would you expect to walk to school based on this study?

21/150 = x/1800


x=252

500
To find the median, i need to arrange the numbers from _____ to _____ and find the ______ number.
Smallest, Greatest, Middle
500

The results of a survey of 200 of the 4,000 college students on campus are shown in the table below.     

Approximately, how many students attend the campus sporting event?

6. Do you attend campus sporting events?

Yes- 135

No- 65                   

135/200 = x/4000

x=2700

500

A quality control check at a toy factory found that 5 out of 1,200 toys had a manufacturing error. If the factory produces 30,000 toys, how many would you predict to have an error?

5/1,200 = x/30,000


x=125

500

If every letter in the alphabet is placed into a bag, that are the odds that you will select a letter found in the word "HAPPY"?

4/26 or 2/13

500

What is the probability of answering a multiple choice question correctly if you know that one of the answers is definitely wrong but you have to guess between the 3 remaining answers?

1/3

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